body {
    text-align: center;
}

.head_img {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background-color: #f58220;
    border: solid 2px;
    margin-top: 180px;
    /*居中显示*/
    left: 0;
    right: 0;
    margin-left: auto;
    margin-right: auto;
    font-size: 125px;
    color: #fffef9;
    /*弹性布局flex .father*/
    display: flex;
    justify-content: center;
    /*内容水平居中*/
    align-items: center;
    /*内容垂直居中*/
}
/*.son*/
.xin_img {
    height: 160px;
    width: 160px;
    border-radius: 50%;
    /*margin: 0 auto;*/
}

.input {
    width: 80%;
    /*居中显示*/
    left: 0;
    right: 0;
    margin-left: auto;
    margin-right: auto;
    margin-top: 50px;
    /*display: flex;*/
}

.input_a {
    /*只有下划线的输入框*/
    border-bottom: 1px solid #f58220;
    border-top: 0px;
    border-left: 0px;
    border-right: 0px;

    width: 100%;
    height: 100px;
    margin-top: 70px;
    font-size: 40px;
    float: left;
    position: relative;

}
/*关闭icon*/
.clearer{
    width: 50px;
    height: 50px;
    background: url("../img/guanbi.png") no-repeat;
    position: absolute;
    right: 120px;
    top: 535px;
    display: none;
    border: none;
}

.eye{
    width: 50px;
    height: 50px;
    background: url("../img/eye.png") no-repeat;
    position: absolute;
    right: 120px;
    top: 715px;
    border: none;
    /*display: none;*/
}

.icon_x{
    float:left ;
    width: 40px;
    height: 40px;
}

/*IE10才支持*/
#input_a::-ms-clear{
    display: block;
}
#input_p::-ms-reveal{
    display: block;
}

.forget_pwd{
    clear: both;
    float: right;
    margin-right: 100px;
    font-size: 40px;
    margin-top: 60px;
    color: grey;
    text-decoration: none;
}

.btn {
    width: 80%;
    /*居中显示*/
    left: 0;
    right: 0;
    /*position:absolute;*/
    margin-left: auto;
    margin-right: auto;
    margin-top: 50px;
}

.login_btn {
    width: 100%;
    height: 100px;
    background-color: #f58220;
    border-radius: 50px;
    margin-top: 80px;
    border: solid #f58220 2px;
}
/*登陆按钮变灰色*/
.gray {
    -webkit-filter: grayscale(100%);
    -moz-filter: grayscale(100%);
    -ms-filter: grayscale(100%);
    -o-filter: grayscale(100%);

    filter: grayscale(100%);

    filter: gray;
}